Standard Wire Gauge Table
Polygons from Round Bar
Turning & Milling Speeds & Feeds
Morse Taper Dimensions
Piercing Saw Blade Sizes
The chart below has information on piercing saw blades from size 8/0 (pronounced 8 aught) up to to size 8
Drill Chuck Taper Dimensions
There are two commonly used tapers that are used to fit a drill chuck to an arbor Jacobs and DIN. The tables below give dimensions: